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4.10.
CHECKING FOR BAD GROUND CONTACTS FIG.10
4.10.1.
Probe the suspected ground wire or contact with the probe tip.
4.10.2.
Observe the green test indicator. Press the rock switch's front part (" - " ) then release.
4.10.3.
If the test indicator changed from GREEN to RED, this is not a true ground.
4.10.4.
If the test indicator turned off when you pressed the rock switch's front part (" - " ) , this circuit is likely a direct ground.
4.10.5.
Keep in mind that high current components such as starter motors will also cause the test indicator to turn off in this check.
fig.10
4.11.
FOLLOWING AND LOCATING SHORT CIRCUITS
4.11.1.
In most cases a short circuit causes a fuse blowing or a circuit breaker tripping. Here is the best place to begin the search.
4.11.2.
Remove the blown fuse from the fuse box. Connect the probe tip to each of both contacts in the fuse box and press the rock
switch's front part (" - " ).
4.11.3.
The side which causes the test indicator to turn off when you press the rock switch's front part (" - " ) is the shorted circuit.
4.11.4.
Note this wire's identification code or color. Follow the wire as far as you can along the wiring harness, for instance if you are following
a short in the brake light circuit you may know that the wire must pass though the wiring harness at the door sill.
4.11.5.
Locate the color-coded wire in the harness and expose it. Probe through the insulation of the wire with the probe tip and press the rock
switch's front part (" - " ) to energize the wire.
4.11.6.
If the test indicator turns off, this wire is verifed to be the shorted wire. Cut the wire and energize each end with the probe tip. The
wire which causes the test indictor to turn off will lead you to the shorted area.
4.11.7.
Follow the wire in the shorted direction and repeat this procedure until you find the exact position of the short.
4.12.
The unit is equipped with a built-in circuit breaker for overload protection. After the circuit breaker trips, it will be reset automatically.
ENVIRONMENT PROTECTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to
a recycling centre and disposed of in a manner which is compatible with the environment. When the product becomes completely
unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and dispose of the product and fluids
according to local regulations.
WEEE REGULATIONS
Dispose of this product at the end of its working life in compliance with the EU Directive on Waste Electrical and Electronic Equipment
(WEEE). When the product is no longer required, it must be disposed of in an environmentally protective way. Contact your local solid
waste authority for recycling information.
Note: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component
parts without prior notice. Please note that other versions of this product are available. If you require documentation for alternative
versions, please email or call our technical team on technical@sealey.co.uk or 01284 757505.
Important: No Liability is accepted for incorrect use of this product.
Warranty: Guarantee is 12 months from purchase date, proof of which is required for any claim.
Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR
01284 757500
© Jack Sealey Limited
01284 703534
sales@sealey.co.uk
Original Language Version
REGISTER YOUR
PURCHASE HERE
www.sealey.co.uk
PPX.V4 Issue 1 06/06/22
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